Answer
$-7w =7i+42j$
Work Step by Step
We are given that the two vector equations for the vectors $v$ and $w$ as follows:
$w=-i-6j$
Multiply the vector $w$ with $-7$.
$-7w=-7(-i-6j)=(-7)(-i)+(-7)(-6)j$
Hence, $-7w =7i+42j$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter 6 - Section 6.6 - Vectors - Exercise Set - Page 782: 30
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